4603231366440 has 256 divisors, whose sum is σ = 15826102272000. Its totient is φ = 1049263994880.

The previous prime is 4603231366381. The next prime is 4603231366451. The reversal of 4603231366440 is 446631323064.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 4603231366392 and 4603231366401.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 809143116 + ... + 809148804.

It is an arithmetic number, because the mean of its divisors is an integer number (61820712000).

Almost surely, 2^{4603231366440} is an apocalyptic number.

4603231366440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4603231366440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7913051136000).

4603231366440 is an abundant number, since it is smaller than the sum of its proper divisors (11222870905560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4603231366440 is a wasteful number, since it uses less digits than its factorization.

4603231366440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8200 (or 8196 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 42.

The spelling of 4603231366440 in words is "four trillion, six hundred three billion, two hundred thirty-one million, three hundred sixty-six thousand, four hundred forty".